Quick answers
- Does Zachary M. Lill accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary M. Lill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zachary M. Lill see?
- In 2024, CMS data shows 499 Original Medicare patients and 1,139 services for Zachary M. Lill. This counts Original Medicare only and measures volume, not quality.
- What is Zachary M. Lill's NPI number?
- 1881911519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zachary M. Lill, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 499 |
|---|---|
| Services billed to Medicare | 1,139 |
| Different services or procedures | 67 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)246 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)120 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)106 services
- Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)103 services
- Programming of dual lead pacemaker system (93280)64 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation58%
- Arthritis53%
- Ischemic heart disease51%
- Heart failure51%
Hospitals where Zachary M. Lill works
Medicare's Facility Affiliation Data lists Zachary M. Lill at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330279
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078
Practice locations
Addresses where Zachary M. Lill is enrolled with Medicare (CMS data updated October 2, 2026).
- 2157 Main StBuffalo, NY 14214 (716) 862‑1000
- 310 Sterling Dr, Suite 100Orchard Park, NY 14127 (716) 677‑6800
- 3435 Bailey AveBuffalo, NY 14215 (716) 835‑2966
- 565 Abbott RdBuffalo, NY 14220
Group practices
Medicare enrollment lists Zachary M. Lill as a member of these groups (CMS data updated October 2, 2026).
- Trinity Medical Wny PC207 clinicians in the group
- Sisters of Charity Hospital of Buffalo New York164 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Buffalo
Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.
Other clinicians in Trinity Medical Wny PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881911519 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians